Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
www.sympa.org
Sympa version provides security way based on S/MIME : digital signature and messages distribution process using encryption. Sympa's web interface can use HTTPS authentication based on user X509 certificates.